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EUVD-2018-20542

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 19 Views

Promontory chipset in AMD Ryzen contains a firmware backdoor known as CHIMERA-FW.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2018-8934
22 Mar 201814:29
–attackerkb
bdu_fstec
BDU FSTEC
Promontory chip Memory Access
4 Apr 201800:00
–bdu_fstec
cnvd
CNVD
AMD Ryzen and Ryzen Pro Promontory chipset code execution vulnerability
28 Mar 201800:00
–cnvd
cve
CVE
CVE-2018-8934
22 Mar 201814:00
–cve
cvelist
Cvelist
CVE-2018-8934
22 Mar 201814:00
–cvelist
f5
F5 Networks
K02326457: Multiple AMD processor vulnerabilities
21 Feb 202318:46
–f5
fortinet
Fortinet
AMD processors affected by vulnerabilities: Ryzenfall, Fallout, Chimera and Masterkey
13 Apr 201800:00
–fortinet
hp
Hewlett-Packard
HPSBHF03581 rev. 4 - AMD Secure Processor and Promontory Chipset Exploits
21 Mar 201800:00
–hp
nvd
NVD
CVE-2018-8934
22 Mar 201814:29
–nvd
prion
Prion
Design/Logic Flaw
22 Mar 201814:29
–prion
Rows per page
[
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    "enisaIdVendor": [
      {
        "id": "816b4df5-4e5d-36fa-9cce-e1debaf77d59",
        "vendor": {
          "name": "n/a"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "2e3b0583-2077-33f6-8fee-f00e188582b6",
        "product": {
          "name": "n/a"
        },
        "product_version": "n/a"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
8High risk
Vulners AI Score8
CVSS 39
CVSS 29.3
EPSS0.0175
19